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authorGreg Rose <gregory.v.rose@intel.com>2010-11-06 05:42:59 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2010-12-24 21:34:13 -0800
commita6b5ea353845b3f3d9ac4317c0b3be9cc37c259b (patch)
tree803a74f0a2c447e135e79e9c0e18e15b0de2f737 /drivers/net/igb
parent8fa7e0f739b70db14e788efba4960bfc1873d550 (diff)
igb: Warn on attempt to override administratively set MAC/VLAN
Print a warning message to the system log when the VF attempts to override administratively set MAC/VLAN configuration. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/igb')
-rw-r--r--drivers/net/igb/igb_main.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index be426a4a724..c9aac7f15cd 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -5105,7 +5105,14 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
switch ((msgbuf[0] & 0xFFFF)) {
case E1000_VF_SET_MAC_ADDR:
- retval = igb_set_vf_mac_addr(adapter, msgbuf, vf);
+ retval = -EINVAL;
+ if (!(vf_data->flags & IGB_VF_FLAG_PF_SET_MAC))
+ retval = igb_set_vf_mac_addr(adapter, msgbuf, vf);
+ else
+ dev_warn(&pdev->dev,
+ "VF %d attempted to override administratively "
+ "set MAC address\nReload the VF driver to "
+ "resume operations\n", vf);
break;
case E1000_VF_SET_PROMISC:
retval = igb_set_vf_promisc(adapter, msgbuf, vf);
@@ -5117,8 +5124,12 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
retval = igb_set_vf_rlpml(adapter, msgbuf[1], vf);
break;
case E1000_VF_SET_VLAN:
- if (adapter->vf_data[vf].pf_vlan)
- retval = -1;
+ retval = -1;
+ if (vf_data->pf_vlan)
+ dev_warn(&pdev->dev,
+ "VF %d attempted to override administratively "
+ "set VLAN tag\nReload the VF driver to "
+ "resume operations\n", vf);
else
retval = igb_set_vf_vlan(adapter, msgbuf, vf);
break;